[U-Boot] [PATCH 4/9] Tegra: T30: Add common Tegra30 CPU files

Tom Warren
2012-09-12T22:10:50Z

Signed-off-by: Tom Warren <twarren@nvidia.com>
---
arch/arm/cpu/tegra30-common/Makefile | 51 ++
arch/arm/cpu/tegra30-common/ap30.c | 98 +++
arch/arm/cpu/tegra30-common/board.c | 141 ++++
arch/arm/cpu/tegra30-common/clock.c | 1099 +++++++++++++++++++++++++++
arch/arm/cpu/tegra30-common/funcmux.c | 74 ++
arch/arm/cpu/tegra30-common/lowlevel_init.S | 42 +
arch/arm/cpu/tegra30-common/pinmux.c | 507 ++++++++++++
arch/arm/cpu/tegra30-common/sys_info.c | 35 +
arch/arm/cpu/tegra30-common/timer.c | 111 +++
9 files changed, 2158 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/cpu/tegra30-common/Makefile
create mode 100644 arch/arm/cpu/tegra30-common/ap30.c
create mode 100644 arch/arm/cpu/tegra30-common/board.c
create mode 100644 arch/arm/cpu/tegra30-common/clock.c
create mode 100644 arch/arm/cpu/tegra30-common/funcmux.c
create mode 100644 arch/arm/cpu/tegra30-common/lowlevel_init.S
create mode 100644 arch/arm/cpu/tegra30-common/pinmux.c
create mode 100644 arch/arm/cpu/tegra30-common/sys_info.c
create mode 100644 arch/arm/cpu/tegra30-common/timer.c

diff --git a/arch/arm/cpu/tegra30-common/Makefile b/arch/arm/cpu/tegra30-common/Makefile
new file mode 100644
index 0000000..6efc554
--- /dev/null
+++ b/arch/arm/cpu/tegra30-common/Makefile
@@ -0,0 +1,51 @@
+#
+# (C) Copyright 2010-2012 Nvidia Corporation.
+#
+# (C) Copyright 2000-2008
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+# The AVP is ARMv4T architecture so we must use special compiler
+# flags for any startup files it might use.
+
+LIB = $(obj)lib$(SOC)-common.o
+
+SOBJS += lowlevel_init.o
+COBJS-y += ap30.o board.o clock.o funcmux.o pinmux.o sys_info.o timer.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/arm/cpu/tegra30-common/ap30.c b/arch/arm/cpu/tegra30-common/ap30.c
new file mode 100644
index 0000000..4f07c4e
--- /dev/null
+++ b/arch/arm/cpu/tegra30-common/ap30.c
@@ -0,0 +1,98 @@
+/*
+* (C) Copyright 2010-2012
+* NVIDIA Corporation <www.nvidia.com>
+*
+* See file CREDITS for list of people who contributed to this
+* project.
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License as
+* published by the Free Software Foundation; either version 2 of
+* the License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+* MA 02111-1307 USA
+*/
+
+#include <asm/io.h>
+#include <asm/arch/ap30.h>
+#include <asm/arch/fuse.h>
+#include <asm/arch/gp_padctrl.h>
+#include <asm/arch/pmc.h>
+#include <asm/arch/scu.h>
+#include <asm/arch/warmboot.h>
+#include <common.h>
+
+static void enable_scu(void)
+{
+ struct scu_ctlr *scu = (struct scu_ctlr *)NV_PA_ARM_PERIPHBASE;
+ u32 reg;
+
+ /* If SCU already setup/enabled, return */
+ if (readl(&scu->scu_ctrl) & SCU_CTRL_ENABLE)
+ return;
+
+ /* Invalidate all ways for all processors */
+ writel(0xFFFF, &scu->scu_inv_all);
+
+ /* Enable SCU - bit 0 */
+ reg = readl(&scu->scu_ctrl);
+ reg |= SCU_CTRL_ENABLE;
+ writel(reg, &scu->scu_ctrl);
+}
+
+static u32 get_odmdata(void)
+{
+ /*
+ * ODMDATA is stored in the BCT in IRAM by the BootROM.
+ * The BCT start and size are stored in the BIT in IRAM.
+ * Read the data @ bct_start + (bct_size - 12). This works
+ * on T20 and T30 BCTs, which are locked down. If this changes
+ * in new chips (T114, etc.), we can revisit this algorithm.
+ */
+
+ u32 bct_start, odmdata;
+
+ bct_start = readl(T30_BASE_PA_SRAM + NVBOOTINFOTABLE_BCTPTR);
+ odmdata = readl(bct_start + BCT_ODMDATA_OFFSET);
+
+ return odmdata;
+}
+
+static void init_pmc_scratch(void)
+{
+ struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 odmdata;
+ int i;
+
+ /* SCRATCH0 is initialized by the boot ROM and shouldn't be cleared */
+ for (i = 0; i < 23; i++)
+ writel(0, &pmc->pmc_scratch1+i);
+
+ /* ODMDATA is for kernel use to determine RAM size, LP config, etc. */
+ odmdata = get_odmdata();
+ writel(odmdata, &pmc->pmc_scratch20);
+}
+
+void s_init(void)
+{
+ /* Init PMC scratch memory */
+ init_pmc_scratch();
+
+ enable_scu();
+
+ /* enable SMP mode and FW for CPU0, by writing to Auxiliary Ctl reg */
+ asm volatile(
+ "mrc p15, 0, r0, c1, c0, 1\n"
+ "orr r0, r0, #0x41\n"
+ "mcr p15, 0, r0, c1, c0, 1\n");
+
+ /* FIXME: should have ap30's L2 disabled too? */
+}
diff --git a/arch/arm/cpu/tegra30-common/board.c b/arch/arm/cpu/tegra30-common/board.c
new file mode 100644
index 0000000..6fe017d
--- /dev/null
+++ b/arch/arm/cpu/tegra30-common/board.c
@@ -0,0 +1,141 @@
+/*
+ * (C) Copyright 2010-2012
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/funcmux.h>
+#include <asm/arch/pmc.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/tegra30.h>
+#include <asm/arch/warmboot.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+enum {
+ /* UARTs which we can enable */
+ UARTA = 1 << 0,
+ UARTB = 1 << 1,
+ UARTD = 1 << 3,
+ UART_COUNT = 4,
+};
+
+/*
+ * Boot ROM initializes the odmdata in APBDEV_PMC_SCRATCH20_0,
+ * so we are using this value to identify memory size.
+ */
+
+unsigned int query_sdram_size(void)
+{
+ struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+
+ reg = readl(&pmc->pmc_scratch20);
+ debug("pmc->pmc_scratch20 (ODMData) = 0x%08x\n", reg);
+
+ /* bits 31:28 in OdmData are used for RAM size */
+ switch ((reg) >> 28) {
+ case 1:
+ return 0x10000000; /* 256 MB */
+ case 2:
+ return 0x20000000; /* 512 MB */
+ case 4:
+ return 0x40000000; /* 1GB */
+ case 8:
+ return 0x7ff00000; /* 2GB - 1MB */
+ default:
+ return 0x40000000; /* 1GB */
+ }
+}
+
+int dram_init(void)
+{
+ /* We do not initialise DRAM here. We just query the size */
+ gd->ram_size = query_sdram_size();
+ return 0;
+}
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+ printf("Board: %s\n", sysinfo.board_string);
+ return 0;
+}
+#endif /* CONFIG_DISPLAY_BOARDINFO */
+
+static int uart_configs[] = {
+ FUNCMUX_UART1_ULPI_UART2, /* UARTA */
+ FUNCMUX_UART2_IRDA,
+ -1,
+ FUNCMUX_UART4_GMC,
+ -1,
+};
+
+/**
+ * Set up the specified uarts
+ *
+ * @param uarts_ids Mask containing UARTs to init (UARTx)
+ */
+static void setup_uarts(int uart_ids)
+{
+ static enum periph_id id_for_uart[] = {
+ PERIPH_ID_UART1,
+ PERIPH_ID_UART2,
+ PERIPH_ID_UART3,
+ PERIPH_ID_UART4,
+ };
+ size_t i;
+
+ for (i = 0; i < UART_COUNT; i++) {
+ if (uart_ids & (1 << i)) {
+ enum periph_id id = id_for_uart[i];
+
+ funcmux_select(id, uart_configs[i]);
+ clock_ll_start_uart(id);
+ }
+ }
+}
+
+void board_init_uart_f(void)
+{
+ int uart_ids = 0; /* bit mask of which UART ids to enable */
+
+#ifdef CONFIG_TEGRA_ENABLE_UARTA
+ uart_ids |= UARTA;
+#endif
+#ifdef CONFIG_TEGRA_ENABLE_UARTB
+ uart_ids |= UARTB;
+#endif
+#ifdef CONFIG_TEGRA_ENABLE_UARTD
+ uart_ids |= UARTD;
+#endif
+ setup_uarts(uart_ids);
+}
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+ /* Enable D-cache. I-cache is already enabled in start.S */
+ dcache_enable();
+}
+#endif
diff --git a/arch/arm/cpu/tegra30-common/clock.c b/arch/arm/cpu/tegra30-common/clock.c
new file mode 100644
index 0000000..dd5450f
--- /dev/null
+++ b/arch/arm/cpu/tegra30-common/clock.c
@@ -0,0 +1,1099 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * Copyright (C) 2010-2012 NVIDIA Corporation <www.nvidia.com>
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* Tegra30 Clock control functions */
+#include <asm/io.h>
+#include <asm/arch/clk_rst.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/timer.h>
+#include <asm/arch/tegra30.h>
+#include <common.h>
+#include <div64.h>
+#include <fdtdec.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * This is our record of the current clock rate of each clock. We don't
+ * fill all of these in since we are only really interested in clocks which
+ * we use as parents.
+ */
+static unsigned pll_rate[CLOCK_ID_COUNT];
+
+/*
+ * The oscillator frequency is fixed to one of four set values. Based on this
+ * the other clocks are set up appropriately.
+ */
+static unsigned osc_freq[CLOCK_OSC_FREQ_COUNT] = {
+ 13000000,
+ 19200000,
+ 12000000,
+ 26000000,
+};
+
+/*
+ * Clock types that we can use as a source. The Tegra3 has muxes for the
+ * peripheral clocks, and in most cases there are four options for the clock
+ * source. This gives us a clock 'type' and exploits what commonality exists
+ * in the device.
+ *
+ * Letters are obvious, except for T which means CLK_M, and S which means the
+ * clock derived from 32KHz. Beware that CLK_M (also called OSC in the
+ * datasheet) and PLL_M are different things. The former is the basic
+ * clock supplied to the SOC from an external oscillator. The latter is the
+ * memory clock PLL.
+ *
+ * See definitions in clock_id in the header file.
+ */
+enum clock_type_id {
+ CLOCK_TYPE_AXPT, /* PLL_A, PLL_X, PLL_P, CLK_M */
+ CLOCK_TYPE_MCPA, /* and so on */
+ CLOCK_TYPE_MCPT,
+ CLOCK_TYPE_PCM,
+ CLOCK_TYPE_PCMT,
+ CLOCK_TYPE_PDCT,
+ CLOCK_TYPE_ACPT,
+ CLOCK_TYPE_ASPTE,
+ CLOCK_TYPE_PMDACD2T,
+ CLOCK_TYPE_PCST,
+
+ CLOCK_TYPE_COUNT,
+ CLOCK_TYPE_NONE = -1, /* invalid clock type */
+};
+
+/* return 1 if a peripheral ID is in range */
+#define clock_type_id_isvalid(id) ((id) >= 0 && \
+ (id) < CLOCK_TYPE_COUNT)
+
+char pllp_valid = 1; /* PLLP is set up correctly */
+
+enum {
+ CLOCK_MAX_MUX = 8 /* number of source options for each clock */
+};
+
+enum {
+ MASK_BITS_31_30 = 2, /* num of bits used to specify clock source */
+ MASK_BITS_31_29,
+ MASK_BITS_29_28,
+};
+
+/*
+ * Clock source mux for each clock type. This just converts our enum into
+ * a list of mux sources for use by the code.
+ *
+ * Note:
+ * The extra column in each clock source array is used to store the mask
+ * bits in its register for the source.
+ */
+#define CLK(x) CLOCK_ID_ ## x
+static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX+1] = {
+ { CLK(AUDIO), CLK(XCPU), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(AUDIO),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(NONE),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(DISPLAY), CLK(CGENERAL), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(AUDIO), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(AUDIO), CLK(SFROM32KHZ), CLK(PERIPH), CLK(OSC),
+ CLK(EPCI), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_29},
+ { CLK(PERIPH), CLK(MEMORY), CLK(DISPLAY), CLK(AUDIO),
+ CLK(CGENERAL), CLK(DISPLAY2), CLK(OSC), CLK(NONE),
+ MASK_BITS_31_29},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(SFROM32KHZ), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_29_28}
+};
+
+/* return 1 if a periphc_internal_id is in range */
+#define periphc_internal_id_isvalid(id) ((id) >= 0 && \
+ (id) < PERIPHC_COUNT)
+
+/*
+ * Clock type for each peripheral clock source. We put the name in each
+ * record just so it is easy to match things up
+ */
+#define TYPE(name, type) type
+static enum clock_type_id clock_periph_type[PERIPHC_COUNT] = {
+ /* 0x00 */
+ TYPE(PERIPHC_I2S1, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2S2, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_SPDIF_OUT, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_SPDIF_IN, CLOCK_TYPE_PCM),
+ TYPE(PERIPHC_PWM, CLOCK_TYPE_PCST),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC2, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SBC3, CLOCK_TYPE_PCMT),
+
+ /* 0x08 */
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_I2C1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_DVC_I2C, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_DISP1, CLOCK_TYPE_PMDACD2T),
+ TYPE(PERIPHC_DISP2, CLOCK_TYPE_PMDACD2T),
+
+ /* 0x10 */
+ TYPE(PERIPHC_CVE, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SDMMC1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SDMMC2, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_G3D, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_G2D, CLOCK_TYPE_MCPA),
+
+ /* 0x18 */
+ TYPE(PERIPHC_NDFLASH, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SDMMC4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_VFIR, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_EPP, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_MPE, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_MIPI, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_UART1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_UART2, CLOCK_TYPE_PCMT),
+
+ /* 0x20 */
+ TYPE(PERIPHC_HOST1X, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_TVO, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_HDMI, CLOCK_TYPE_PMDACD2T),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_TVDAC, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_I2C2, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_EMC, CLOCK_TYPE_MCPT),
+
+ /* 0x28 */
+ TYPE(PERIPHC_UART3, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_I2C3, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SDMMC3, CLOCK_TYPE_PCMT),
+
+ /* 0x30 */
+ TYPE(PERIPHC_UART4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_UART5, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_VDE, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_OWR, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NOR, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_CSITE, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_I2S0, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+
+ /* 0x38h */
+ TYPE(PERIPHC_G3D2, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_MSELECT, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_TSENSOR, CLOCK_TYPE_PCM),
+ TYPE(PERIPHC_I2S3, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2S4, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2C4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SBC5, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SBC6, CLOCK_TYPE_PCMT),
+
+ /* 0x40 */
+ TYPE(PERIPHC_AUDIO, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_DAM0, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_DAM1, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_DAM2, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_HDA2CODEC2X, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_ACTMON, CLOCK_TYPE_PCM),
+ TYPE(PERIPHC_EXTPERIPH1, CLOCK_TYPE_ASPTE),
+
+ /* 0x48 */
+ TYPE(PERIPHC_EXTPERIPH2, CLOCK_TYPE_ASPTE),
+ TYPE(PERIPHC_EXTPERIPH3, CLOCK_TYPE_ASPTE),
+ TYPE(PERIPHC_NANDSPEED, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_I2CSLOW, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SYS, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SPEEDO, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+
+ /* 0x50 */
+ TYPE(PERIPHC_SATAOOB, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SATA, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_HDA, CLOCK_TYPE_PCMT),
+};
+
+/*
+ * This array translates a periph_id to a periphc_internal_id
+ *
+ * Not present/matched up:
+ * uint vi_sensor; _VI_SENSOR_0, 0x1A8
+ * SPDIF - which is both 0x08 and 0x0c
+ *
+ */
+#define NONE(name) (-1)
+#define OFFSET(name, value) PERIPHC_ ## name
+static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = {
+ /* Low word: 31:0 */
+ NONE(CPU),
+ NONE(COP),
+ NONE(TRIGSYS),
+ NONE(RESERVED3),
+ NONE(RESERVED4),
+ NONE(TMR),
+ PERIPHC_UART1,
+ PERIPHC_UART2, /* and vfir 0x68 */
+
+ /* 8 */
+ NONE(GPIO),
+ PERIPHC_SDMMC2,
+ NONE(SPDIF), /* 0x08 and 0x0c, unclear which to use */
+ PERIPHC_I2S1,
+ PERIPHC_I2C1,
+ PERIPHC_NDFLASH,
+ PERIPHC_SDMMC1,
+ PERIPHC_SDMMC4,
+
+ /* 16 */
+ NONE(RESERVED16),
+ PERIPHC_PWM,
+ PERIPHC_I2S2,
+ PERIPHC_EPP,
+ PERIPHC_VI,
+ PERIPHC_G2D,
+ NONE(USBD),
+ NONE(ISP),
+
+ /* 24 */
+ PERIPHC_G3D,
+ NONE(RESERVED25),
+ PERIPHC_DISP2,
+ PERIPHC_DISP1,
+ PERIPHC_HOST1X,
+ NONE(VCP),
+ PERIPHC_I2S0,
+ NONE(CACHE2),
+
+ /* Middle word: 63:32 */
+ NONE(MEM),
+ NONE(AHBDMA),
+ NONE(APBDMA),
+ NONE(RESERVED35),
+ NONE(RESERVED36),
+ NONE(STAT_MON),
+ NONE(RESERVED38),
+ NONE(RESERVED39),
+
+ /* 40 */
+ NONE(KFUSE),
+ NONE(SBC1), /* SBC1, 0x34, is this SPI1? */
+ PERIPHC_NOR,
+ NONE(RESERVED43),
+ PERIPHC_SBC2,
+ NONE(RESERVED45),
+ PERIPHC_SBC3,
+ PERIPHC_DVC_I2C,
+
+ /* 48 */
+ NONE(DSI),
+ PERIPHC_TVO, /* also CVE 0x40 */
+ PERIPHC_MIPI,
+ PERIPHC_HDMI,
+ NONE(CSI),
+ PERIPHC_TVDAC,
+ PERIPHC_I2C2,
+ PERIPHC_UART3,
+
+ /* 56 */
+ NONE(RESERVED56),
+ PERIPHC_EMC,
+ NONE(USB2),
+ NONE(USB3),
+ PERIPHC_MPE,
+ PERIPHC_VDE,
+ NONE(BSEA),
+ NONE(BSEV),
+
+ /* Upper word 95:64 */
+ PERIPHC_SPEEDO,
+ PERIPHC_UART4,
+ PERIPHC_UART5,
+ PERIPHC_I2C3,
+ PERIPHC_SBC4,
+ PERIPHC_SDMMC3,
+ NONE(PCIE),
+ PERIPHC_OWR,
+
+ /* 72 */
+ NONE(AFI),
+ PERIPHC_CSITE,
+ NONE(PCIEXCLK),
+ NONE(AVPUCQ),
+ NONE(RESERVED76),
+ NONE(RESERVED77),
+ NONE(RESERVED78),
+ NONE(DTV),
+
+ /* 80 */
+ PERIPHC_NANDSPEED,
+ PERIPHC_I2CSLOW,
+ NONE(DSIB),
+ NONE(RESERVED83),
+ NONE(IRAMA),
+ NONE(IRAMB),
+ NONE(IRAMC),
+ NONE(IRAMD),
+
+ /* 88 */
+ NONE(CRAM2),
+ NONE(RESERVED89),
+ NONE(MDOUBLER),
+ NONE(RESERVED91),
+ NONE(SUSOUT),
+ NONE(RESERVED93),
+ NONE(RESERVED94),
+ NONE(RESERVED95),
+
+ /* V word: 31:0 */
+ NONE(CPUG),
+ NONE(CPULP),
+ PERIPHC_G3D2,
+ PERIPHC_MSELECT,
+ PERIPHC_TSENSOR,
+ PERIPHC_I2S3,
+ PERIPHC_I2S4,
+ PERIPHC_I2C4,
+
+ /* 08 */
+ PERIPHC_SBC5,
+ PERIPHC_SBC6,
+ PERIPHC_AUDIO,
+ NONE(APBIF),
+ PERIPHC_DAM0,
+ PERIPHC_DAM1,
+ PERIPHC_DAM2,
+ PERIPHC_HDA2CODEC2X,
+
+ /* 16 */
+ NONE(ATOMICS),
+ NONE(RESERVED17),
+ NONE(RESERVED18),
+ NONE(RESERVED19),
+ NONE(RESERVED20),
+ NONE(RESERVED21),
+ NONE(RESERVED22),
+ PERIPHC_ACTMON,
+
+ /* 24 */
+ NONE(RESERVED24),
+ NONE(RESERVED25),
+ NONE(RESERVED26),
+ NONE(RESERVED27),
+ PERIPHC_SATA,
+ PERIPHC_HDA,
+ NONE(RESERVED30),
+ NONE(RESERVED31),
+
+ /* W word: 31:0 */
+ NONE(HDA2HDMICODEC),
+ NONE(SATACOLD),
+ NONE(RESERVED0_PCIERX0),
+ NONE(RESERVED1_PCIERX1),
+ NONE(RESERVED2_PCIERX2),
+ NONE(RESERVED3_PCIERX3),
+ NONE(RESERVED4_PCIERX4),
+ NONE(RESERVED5_PCIERX5),
+
+ /* 40 */
+ NONE(CEC),
+ NONE(RESERVED6_PCIE2),
+ NONE(RESERVED7_EMC),
+ NONE(RESERVED8_HDMI),
+ NONE(RESERVED9_SATA),
+ NONE(RESERVED10_MIPI),
+ NONE(EX_RESERVED46),
+ NONE(EX_RESERVED47),
+};
+
+/*
+ * Get the oscillator frequency, from the corresponding hardware configuration
+ * field.
+ */
+enum clock_osc_freq clock_get_osc_freq(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ reg = readl(&clkrst->crc_osc_ctrl);
+ return (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
+}
+
+int clock_get_osc_bypass(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ reg = readl(&clkrst->crc_osc_ctrl);
+ return (reg & OSC_XOBP_MASK) >> OSC_XOBP_SHIFT;
+}
+
+/* Returns a pointer to the registers of the given pll */
+static struct clk_pll *get_pll(enum clock_id clkid)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+
+ assert(clock_id_is_pll(clkid));
+ return &clkrst->crc_pll[clkid];
+}
+
+int clock_ll_read_pll(enum clock_id clkid, u32 *divm, u32 *divn,
+ u32 *divp, u32 *cpcon, u32 *lfcon)
+{
+ struct clk_pll *pll = get_pll(clkid);
+ u32 data;
+
+ assert(clkid != CLOCK_ID_USB);
+
+ /* Safety check, adds to code size but is small */
+ if (!clock_id_is_pll(clkid) || clkid == CLOCK_ID_USB)
+ return -1;
+ data = readl(&pll->pll_base);
+ *divm = (data & PLL_DIVM_MASK) >> PLL_DIVM_SHIFT;
+ *divn = (data & PLL_DIVN_MASK) >> PLL_DIVN_SHIFT;
+ *divp = (data & PLL_DIVP_MASK) >> PLL_DIVP_SHIFT;
+ data = readl(&pll->pll_misc);
+ *cpcon = (data & PLL_CPCON_MASK) >> PLL_CPCON_SHIFT;
+ *lfcon = (data & PLL_LFCON_MASK) >> PLL_LFCON_SHIFT;
+ return 0;
+}
+
+unsigned long clock_start_pll(enum clock_id clkid, u32 divm, u32 divn,
+ u32 divp, u32 cpcon, u32 lfcon)
+{
+ struct clk_pll *pll = get_pll(clkid);
+ u32 data;
+
+ /*
+ * We cheat by treating all PLL (except PLLU) in the same fashion.
+ * This works only because:
+ * - same fields are always mapped at same offsets, except DCCON
+ * - DCCON is always 0, doesn't conflict
+ * - M,N, P of PLLP values are ignored for PLLP
+ */
+ data = (cpcon << PLL_CPCON_SHIFT) | (lfcon << PLL_LFCON_SHIFT);
+ writel(data, &pll->pll_misc);
+
+ data = (divm << PLL_DIVM_SHIFT) | (divn << PLL_DIVN_SHIFT) |
+ (0 << PLL_BYPASS_SHIFT) | (1 << PLL_ENABLE_SHIFT);
+
+ if (clkid == CLOCK_ID_USB)
+ data |= divp << PLLU_VCO_FREQ_SHIFT;
+ else
+ data |= divp << PLL_DIVP_SHIFT;
+ writel(data, &pll->pll_base);
+
+ /* calculate the stable time */
+ return timer_get_us() + CLOCK_PLL_STABLE_DELAY_US;
+}
+
+/* Returns a pointer to the clock source register for a peripheral */
+static u32 *get_periph_source_reg(enum periph_id periph_id)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ enum periphc_internal_id internal_id;
+
+ /* Coresight is a special case */
+ if (periph_id == PERIPH_ID_CSI)
+ return &clkrst->crc_clk_src[PERIPH_ID_CSI+1];
+
+ assert(periph_id >= PERIPH_ID_FIRST && periph_id < PERIPH_ID_COUNT);
+ internal_id = periph_id_to_internal_id[periph_id];
+ assert(internal_id != -1);
+ if (internal_id >= PERIPHC_VW_FIRST) {
+ internal_id -= PERIPHC_VW_FIRST;
+ return &clkrst->crc_clk_src_vw[internal_id];
+ } else
+ return &clkrst->crc_clk_src[internal_id];
+}
+
+void clock_ll_set_source_divisor(enum periph_id periph_id, unsigned source,
+ unsigned divisor)
+{
+ u32 *reg = get_periph_source_reg(periph_id);
+ u32 value;
+
+ value = readl(reg);
+
+ value &= ~OUT_CLK_SOURCE_MASK;
+ value |= source << OUT_CLK_SOURCE_SHIFT;
+
+ value &= ~OUT_CLK_DIVISOR_MASK;
+ value |= divisor << OUT_CLK_DIVISOR_SHIFT;
+
+ writel(value, reg);
+}
+
+void clock_ll_set_source(enum periph_id periph_id, unsigned source)
+{
+ u32 *reg = get_periph_source_reg(periph_id);
+
+ clrsetbits_le32(reg, OUT_CLK_SOURCE_MASK,
+ source << OUT_CLK_SOURCE_SHIFT);
+}
+
+/**
+ * Given the parent's rate and the required rate for the children, this works
+ * out the peripheral clock divider to use, in 7.1 binary format.
+ *
+ * @param divider_bits number of divider bits (8 or 16)
+ * @param parent_rate clock rate of parent clock in Hz
+ * @param rate required clock rate for this clock
+ * @return divider which should be used
+ */
+static int clk_get_divider(unsigned divider_bits, unsigned long parent_rate,
+ unsigned long rate)
+{
+ u64 divider = parent_rate * 2;
+ unsigned max_divider = 1 << divider_bits;
+
+ divider += rate - 1;
+ do_div(divider, rate);
+
+ if ((s64)divider - 2 < 0)
+ return 0;
+
+ if ((s64)divider - 2 >= max_divider)
+ return -1;
+
+ return divider - 2;
+}
+
+/**
+ * Given the parent's rate and the divider in 7.1 format, this works out the
+ * resulting peripheral clock rate.
+ *
+ * @param parent_rate clock rate of parent clock in Hz
+ * @param divider which should be used in 7.1 format
+ * @return effective clock rate of peripheral
+ */
+static unsigned long get_rate_from_divider(unsigned long parent_rate,
+ int divider)
+{
+ u64 rate;
+
+ rate = (u64)parent_rate * 2;
+ do_div(rate, divider + 2);
+ return rate;
+}
+
+unsigned long clock_get_periph_rate(enum periph_id periph_id,
+ enum clock_id parent)
+{
+ u32 *reg = get_periph_source_reg(periph_id);
+
+ return get_rate_from_divider(pll_rate[parent],
+ (readl(reg) & OUT_CLK_DIVISOR_MASK) >> OUT_CLK_DIVISOR_SHIFT);
+}
+
+/**
+ * Find the best available 7.1 format divisor given a parent clock rate and
+ * required child clock rate. This function assumes that a second-stage
+ * divisor is available which can divide by powers of 2 from 1 to 256.
+ *
+ * @param divider_bits number of divider bits (8 or 16)
+ * @param parent_rate clock rate of parent clock in Hz
+ * @param rate required clock rate for this clock
+ * @param extra_div value for the second-stage divisor (not set if this
+ * function returns -1.
+ * @return divider which should be used, or -1 if nothing is valid
+ *
+ */
+static int find_best_divider(unsigned divider_bits, unsigned long parent_rate,
+ unsigned long rate, int *extra_div)
+{
+ int shift;
+ int best_divider = -1;
+ int best_error = rate;
+
+ /* try dividers from 1 to 256 and find closest match */
+ for (shift = 0; shift <= 8 && best_error > 0; shift++) {
+ unsigned divided_parent = parent_rate >> shift;
+ int divider = clk_get_divider(divider_bits, divided_parent,
+ rate);
+ unsigned effective_rate = get_rate_from_divider(divided_parent,
+ divider);
+ int error = rate - effective_rate;
+
+ /* Given a valid divider, look for the lowest error */
+ if (divider != -1 && error < best_error) {
+ best_error = error;
+ *extra_div = 1 << shift;
+ best_divider = divider;
+ }
+ }
+
+ /* return what we found - *extra_div will already be set */
+ return best_divider;
+}
+
+/**
+ * Given a peripheral ID and the required source clock, this returns which
+ * value should be programmed into the source mux for that peripheral.
+ *
+ * There is special code here to handle the one source type with 5 sources.
+ *
+ * @param periph_id peripheral to start
+ * @param source PLL id of required parent clock
+ * @param mux_bits Set to number of bits in mux register: 2 or 4
+ * @param divider_bits Set to number of divider bits (8 or 16)
+ * @return mux value (0-4, or -1 if not found)
+ */
+static int get_periph_clock_source(enum periph_id periph_id,
+ enum clock_id parent, int *mux_bits, int *divider_bits)
+{
+ enum clock_type_id type;
+ enum periphc_internal_id internal_id;
+ int mux;
+
+ assert(clock_periph_id_isvalid(periph_id));
+
+ internal_id = periph_id_to_internal_id[periph_id];
+ assert(periphc_internal_id_isvalid(internal_id));
+
+ type = clock_periph_type[internal_id];
+ assert(clock_type_id_isvalid(type));
+
+ *mux_bits = clock_source[type][CLOCK_MAX_MUX];
+
+ for (mux = 0; mux < CLOCK_MAX_MUX; mux++)
+ if (clock_source[type][mux] == parent)
+ return mux;
+
+ /* if we get here, either us or the caller has made a mistake */
+ printf("Caller requested bad clock: periph=%d, parent=%d\n", periph_id,
+ parent);
+ return -1;
+}
+
+/**
+ * Adjust peripheral PLL to use the given divider and source.
+ *
+ * @param periph_id peripheral to adjust
+ * @param source Source number (0-3 or 0-7)
+ * @param mux_bits Number of mux bits (2 or 4)
+ * @param divider Required divider in 7.1 or 15.1 format
+ * @return 0 if ok, -1 on error (requesting a parent clock which is not valid
+ * for this peripheral)
+ */
+static int adjust_periph_pll(enum periph_id periph_id, int source,
+ int mux_bits, unsigned divider)
+{
+ u32 *reg = get_periph_source_reg(periph_id);
+
+ clrsetbits_le32(reg, OUT_CLK_DIVISOR_MASK,
+ divider << OUT_CLK_DIVISOR_SHIFT);
+ udelay(1);
+
+ /* work out the source clock and set it */
+ if (source < 0)
+ return -1;
+ if (mux_bits == 4) {
+ clrsetbits_le32(reg, OUT_CLK_SOURCE4_MASK,
+ source << OUT_CLK_SOURCE4_SHIFT);
+ } else {
+ clrsetbits_le32(reg, OUT_CLK_SOURCE_MASK,
+ source << OUT_CLK_SOURCE_SHIFT);
+ }
+ udelay(2);
+ return 0;
+}
+
+unsigned clock_adjust_periph_pll_div(enum periph_id periph_id,
+ enum clock_id parent, unsigned rate, int *extra_div)
+{
+ unsigned effective_rate;
+ int mux_bits, source;
+ int divider, divider_bits = 0;
+
+ /* work out the source clock and set it */
+ source = get_periph_clock_source(periph_id, parent, &mux_bits,
+ &divider_bits);
+
+ if (extra_div)
+ divider = find_best_divider(divider_bits, pll_rate[parent],
+ rate, extra_div);
+ else
+ divider = clk_get_divider(divider_bits, pll_rate[parent],
+ rate);
+ assert(divider >= 0);
+ if (adjust_periph_pll(periph_id, source, mux_bits, divider))
+ return -1U;
+ debug("periph %d, rate=%d, reg=%p = %x\n", periph_id, rate,
+ get_periph_source_reg(periph_id),
+ readl(get_periph_source_reg(periph_id)));
+
+ /* Check what we ended up with. This shouldn't matter though */
+ effective_rate = clock_get_periph_rate(periph_id, parent);
+ if (extra_div)
+ effective_rate /= *extra_div;
+ if (rate != effective_rate)
+ debug("Requested clock rate %u not honored (got %u)\n",
+ rate, effective_rate);
+ return effective_rate;
+}
+
+unsigned clock_start_periph_pll(enum periph_id periph_id,
+ enum clock_id parent, unsigned rate)
+{
+ unsigned effective_rate;
+
+ reset_set_enable(periph_id, 1);
+ clock_enable(periph_id);
+
+ effective_rate = clock_adjust_periph_pll_div(periph_id, parent, rate,
+ NULL);
+
+ reset_set_enable(periph_id, 0);
+ return effective_rate;
+}
+
+void clock_set_enable(enum periph_id periph_id, int enable)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 *clk;
+ u32 reg;
+
+ /* Enable/disable the clock to this peripheral */
+ assert(clock_periph_id_isvalid(periph_id));
+ if ((int)periph_id < (int)PERIPH_ID_VW_FIRST)
+ clk = &clkrst->crc_clk_out_enb[PERIPH_REG(periph_id)];
+ else
+ clk = &clkrst->crc_clk_out_enb_vw[PERIPH_REG(periph_id)];
+ reg = readl(clk);
+ if (enable)
+ reg |= PERIPH_MASK(periph_id);
+ else
+ reg &= ~PERIPH_MASK(periph_id);
+ writel(reg, clk);
+}
+
+void clock_enable(enum periph_id clkid)
+{
+ clock_set_enable(clkid, 1);
+}
+
+void clock_disable(enum periph_id clkid)
+{
+ clock_set_enable(clkid, 0);
+}
+
+void reset_set_enable(enum periph_id periph_id, int enable)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 *reset;
+ u32 reg;
+
+ /* Enable/disable reset to the peripheral */
+ assert(clock_periph_id_isvalid(periph_id));
+ if (periph_id < PERIPH_ID_VW_FIRST)
+ reset = &clkrst->crc_rst_dev[PERIPH_REG(periph_id)];
+ else
+ reset = &clkrst->crc_rst_dev_vw[PERIPH_REG(periph_id)];
+ reg = readl(reset);
+ if (enable)
+ reg |= PERIPH_MASK(periph_id);
+ else
+ reg &= ~PERIPH_MASK(periph_id);
+ writel(reg, reset);
+}
+
+void reset_periph(enum periph_id periph_id, int us_delay)
+{
+ /* Put peripheral into reset */
+ reset_set_enable(periph_id, 1);
+ udelay(us_delay);
+
+ /* Remove reset */
+ reset_set_enable(periph_id, 0);
+
+ udelay(us_delay);
+}
+
+void reset_cmplx_set_enable(int cpu, int which, int reset)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 mask;
+
+ /* Form the mask, which depends on the cpu chosen. Tegra3 has 4 */
+ assert(cpu >= 0 && cpu < 4);
+ mask = which << cpu;
+
+ /* either enable or disable those reset for that CPU */
+ if (reset)
+ writel(mask, &clkrst->crc_cpu_cmplx_set);
+ else
+ writel(mask, &clkrst->crc_cpu_cmplx_clr);
+}
+
+unsigned clock_get_rate(enum clock_id clkid)
+{
+ struct clk_pll *pll;
+ u32 base;
+ u32 divm;
+ u64 parent_rate;
+ u64 rate;
+
+ parent_rate = osc_freq[clock_get_osc_freq()];
+ if (clkid == CLOCK_ID_OSC)
+ return parent_rate;
+
+ pll = get_pll(clkid);
+ base = readl(&pll->pll_base);
+
+ /* Oh for bf_unpack()... */
+ rate = parent_rate * ((base & PLL_DIVN_MASK) >> PLL_DIVN_SHIFT);
+ divm = (base & PLL_DIVM_MASK) >> PLL_DIVM_SHIFT;
+ if (clkid == CLOCK_ID_USB)
+ divm <<= (base & PLLU_VCO_FREQ_MASK) >> PLLU_VCO_FREQ_SHIFT;
+ else
+ divm <<= (base & PLL_DIVP_MASK) >> PLL_DIVP_SHIFT;
+ do_div(rate, divm);
+ return rate;
+}
+
+/**
+ * Set the output frequency you want for each PLL clock.
+ * PLL output frequencies are programmed by setting their N, M and P values.
+ * The governing equations are:
+ * VCO = (Fi / m) * n, Fo = VCO / (2^p)
+ * where Fo is the output frequency from the PLL.
+ * Example: Set the output frequency to 216Mhz(Fo) with 12Mhz OSC(Fi)
+ * 216Mhz = ((12Mhz / m) * n) / (2^p) so n=432,m=12,p=1
+ * Please see Tegra TRM section 5.3 to get the detail for PLL Programming
+ *
+ * @param n PLL feedback divider(DIVN)
+ * @param m PLL input divider(DIVN)
+ * @param p post divider(DIVP)
+ * @param cpcon base PLL charge pump(CPCON)
+ * @return 0 if ok, -1 on error (the requested PLL is incorrect and cannot
+ * be overriden), 1 if PLL is already correct
+ */
+static int clock_set_rate(enum clock_id clkid, u32 n, u32 m, u32 p, u32 cpcon)
+{
+ u32 base_reg;
+ u32 misc_reg;
+ struct clk_pll *pll;
+
+ pll = get_pll(clkid);
+
+ base_reg = readl(&pll->pll_base);
+
+ /* Set BYPASS, m, n and p to PLL_BASE */
+ base_reg &= ~PLL_DIVM_MASK;
+ base_reg |= m << PLL_DIVM_SHIFT;
+
+ base_reg &= ~PLL_DIVN_MASK;
+ base_reg |= n << PLL_DIVN_SHIFT;
+
+ base_reg &= ~PLL_DIVP_MASK;
+ base_reg |= p << PLL_DIVP_SHIFT;
+
+ if (clkid == CLOCK_ID_PERIPH) {
+ /*
+ * If the PLL is already set up, check that it is correct
+ * and record this info for clock_verify() to check.
+ */
+ if (base_reg & PLL_BASE_OVRRIDE_MASK) {
+ base_reg |= PLL_ENABLE_MASK;
+ if (base_reg != readl(&pll->pll_base))
+ pllp_valid = 0;
+ return pllp_valid ? 1 : -1;
+ }
+ base_reg |= PLL_BASE_OVRRIDE_MASK;
+ }
+
+ base_reg |= PLL_BYPASS_MASK;
+ writel(base_reg, &pll->pll_base);
+
+ /* Set cpcon to PLL_MISC */
+ misc_reg = readl(&pll->pll_misc);
+ misc_reg &= ~PLL_CPCON_MASK;
+ misc_reg |= cpcon << PLL_CPCON_SHIFT;
+ writel(misc_reg, &pll->pll_misc);
+
+ /* Enable PLL */
+ base_reg |= PLL_ENABLE_MASK;
+ writel(base_reg, &pll->pll_base);
+
+ /* Disable BYPASS */
+ base_reg &= ~PLL_BYPASS_MASK;
+ writel(base_reg, &pll->pll_base);
+
+ return 0;
+}
+
+void clock_ll_start_uart(enum periph_id periph_id)
+{
+ /* Assert UART reset and enable clock */
+ reset_set_enable(periph_id, 1);
+ clock_enable(periph_id);
+ clock_ll_set_source(periph_id, 0); /* UARTx_CLK_SRC = 00, PLLP_OUT0 */
+
+ /* wait for 2us */
+ udelay(2);
+
+ /* De-assert reset to UART */
+ reset_set_enable(periph_id, 0);
+}
+
+#ifdef CONFIG_OF_CONTROL
+/*
+ * Convert a device tree clock ID to our peripheral ID. They are mostly
+ * the same but we are very cautious so we check that a valid clock ID is
+ * provided.
+ *
+ * @param clk_id Clock ID according to tegra20 device tree binding
+ * @return peripheral ID, or PERIPH_ID_NONE if the clock ID is invalid
+ */
+static enum periph_id clk_id_to_periph_id(int clk_id)
+{
+ if (clk_id > 95)
+ return PERIPH_ID_NONE;
+
+ switch (clk_id) {
+ case 1:
+ case 2:
+ case 7:
+ case 10:
+ case 20:
+ case 30:
+ case 35:
+ case 49:
+ case 56:
+ case 74:
+ case 76:
+ case 77:
+ case 78:
+ case 79:
+ case 80:
+ case 81:
+ case 82:
+ case 83:
+ case 91:
+ case 95:
+ return PERIPH_ID_NONE;
+ default:
+ return clk_id;
+ }
+}
+
+int clock_decode_periph_id(const void *blob, int node)
+{
+ enum periph_id id;
+ u32 cell[2];
+ int err;
+
+ err = fdtdec_get_int_array(blob, node, "clocks", cell,
+ ARRAY_SIZE(cell));
+ if (err)
+ return -1;
+ id = clk_id_to_periph_id(cell[1]);
+ assert(clock_periph_id_isvalid(id));
+ return id;
+}
+#endif /* CONFIG_OF_CONTROL */
+
+int clock_verify(void)
+{
+ struct clk_pll *pll = get_pll(CLOCK_ID_PERIPH);
+ u32 reg = readl(&pll->pll_base);
+
+ if (!pllp_valid) {
+ printf("Warning: PLLP %x is not correct\n", reg);
+ return -1;
+ }
+ debug("PLLX %x is correct\n", reg);
+ return 0;
+}
+
+void clock_early_init(void)
+{
+ /*
+ * PLLP output frequency set to 216Mh
+ * PLLC output frequency set to 228Mhz
+ */
+ switch (clock_get_osc_freq()) {
+ case CLOCK_OSC_FREQ_12_0: /* OSC is 12Mhz */
+ clock_set_rate(CLOCK_ID_PERIPH, 432, 12, 1, 8);
+ clock_set_rate(CLOCK_ID_CGENERAL, 456, 12, 1, 8);
+ break;
+
+ case CLOCK_OSC_FREQ_26_0: /* OSC is 26Mhz */
+ clock_set_rate(CLOCK_ID_PERIPH, 432, 26, 1, 8);
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 26, 0, 8);
+ break;
+
+ case CLOCK_OSC_FREQ_13_0: /* OSC is 13Mhz */
+ clock_set_rate(CLOCK_ID_PERIPH, 432, 13, 1, 8);
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 13, 0, 8);
+ break;
+ case CLOCK_OSC_FREQ_19_2:
+ default:
+ /*
+ * These are not supported. It is too early to print a
+ * message and the UART likely won't work anyway due to the
+ * oscillator being wrong.
+ */
+ break;
+ }
+}
+
+void clock_init(void)
+{
+ pll_rate[CLOCK_ID_MEMORY] = clock_get_rate(CLOCK_ID_MEMORY);
+ pll_rate[CLOCK_ID_PERIPH] = clock_get_rate(CLOCK_ID_PERIPH);
+ pll_rate[CLOCK_ID_CGENERAL] = clock_get_rate(CLOCK_ID_CGENERAL);
+ pll_rate[CLOCK_ID_OSC] = clock_get_rate(CLOCK_ID_OSC);
+ pll_rate[CLOCK_ID_SFROM32KHZ] = 32768;
+ debug("Osc = %d\n", pll_rate[CLOCK_ID_OSC]);
+ debug("PLLM = %d\n", pll_rate[CLOCK_ID_MEMORY]);
+ debug("PLLP = %d\n", pll_rate[CLOCK_ID_PERIPH]);
+}
diff --git a/arch/arm/cpu/tegra30-common/funcmux.c b/arch/arm/cpu/tegra30-common/funcmux.c
new file mode 100644
index 0000000..6e28ac9
--- /dev/null
+++ b/arch/arm/cpu/tegra30-common/funcmux.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * Copyright (C) 2010-2012 NVIDIA Corporation <www.nvidia.com>
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* Tegra30 high-level function multiplexing */
+
+#include <common.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/funcmux.h>
+#include <asm/arch/pinmux.h>
+
+int funcmux_select(enum periph_id id, int config)
+{
+ int bad_config = config != FUNCMUX_DEFAULT;
+
+ switch (id) {
+ case PERIPH_ID_UART1:
+ switch (config) {
+ case FUNCMUX_UART1_ULPI_UART2:
+ pinmux_set_func(PINGRP_ULPI_DATA0, PMUX_FUNC_UARTA);
+ pinmux_set_func(PINGRP_ULPI_DATA1, PMUX_FUNC_UARTA);
+ pinmux_set_func(PINGRP_ULPI_DATA2, PMUX_FUNC_UARTA);
+ pinmux_set_func(PINGRP_ULPI_DATA3, PMUX_FUNC_UARTA);
+ pinmux_set_func(PINGRP_ULPI_DATA4, PMUX_FUNC_UARTA);
+ pinmux_set_func(PINGRP_ULPI_DATA5, PMUX_FUNC_UARTA);
+ pinmux_set_func(PINGRP_ULPI_DATA6, PMUX_FUNC_UARTA);
+ pinmux_set_func(PINGRP_UART2_RTS_N, PMUX_FUNC_UARTA);
+ pinmux_set_func(PINGRP_UART2_CTS_N, PMUX_FUNC_UARTA);
+ pinmux_tristate_disable(PINGRP_ULPI_DATA0);
+ pinmux_tristate_disable(PINGRP_ULPI_DATA1);
+ pinmux_tristate_disable(PINGRP_ULPI_DATA2);
+ pinmux_tristate_disable(PINGRP_ULPI_DATA3);
+ pinmux_tristate_disable(PINGRP_ULPI_DATA4);
+ pinmux_tristate_disable(PINGRP_ULPI_DATA5);
+ pinmux_tristate_disable(PINGRP_ULPI_DATA6);
+ pinmux_tristate_disable(PINGRP_ULPI_DATA7);
+ pinmux_tristate_disable(PINGRP_UART2_RTS_N);
+ pinmux_tristate_disable(PINGRP_UART2_CTS_N);
+ break;
+ }
+ break;
+
+ /* Add other periph IDs here as needed */
+
+ default:
+ debug("%s: invalid periph_id %d", __func__, id);
+ return -1;
+ }
+
+ if (bad_config) {
+ debug("%s: invalid config %d for periph_id %d", __func__,
+ config, id);
+ return -1;
+ }
+ return 0;
+}
diff --git a/arch/arm/cpu/tegra30-common/lowlevel_init.S b/arch/arm/cpu/tegra30-common/lowlevel_init.S
new file mode 100644
index 0000000..91ff3b9
--- /dev/null
+++ b/arch/arm/cpu/tegra30-common/lowlevel_init.S
@@ -0,0 +1,42 @@
+/*
+ * SoC-specific setup info
+ *
+ * (C) Copyright 2010-2012
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <version.h>
+#include <linux/linkage.h>
+
+ .align 5
+ENTRY(reset_cpu)
+ ldr r1, rstctl @ get addr for global reset
+ @ reg
+ ldr r3, [r1]
+ orr r3, r3, #0x10
+ str r3, [r1] @ force reset
+ mov r0, r0
+_loop_forever:
+ b _loop_forever
+rstctl:
+ .word PRM_RSTCTRL
+ENDPROC(reset_cpu)
diff --git a/arch/arm/cpu/tegra30-common/pinmux.c b/arch/arm/cpu/tegra30-common/pinmux.c
new file mode 100644
index 0000000..387110e
--- /dev/null
+++ b/arch/arm/cpu/tegra30-common/pinmux.c
@@ -0,0 +1,507 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * Copyright (C) 2010-2012 NVIDIA Corporation <www.nvidia.com>
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* Tegra30 pin multiplexing functions */
+
+#include <asm/io.h>
+#include <asm/arch/tegra30.h>
+#include <asm/arch/pinmux.h>
+#include <common.h>
+
+struct tegra_pingroup_desc {
+ const char *name;
+ enum pmux_func funcs[4];
+ enum pmux_func func_safe;
+ enum pmux_vddio vddio;
+ enum pmux_pin_io io;
+};
+
+#define PMUX_MUXCTL_SHIFT 0
+#define PMUX_PULL_SHIFT 2
+#define PMUX_TRISTATE_SHIFT 4
+#define PMUX_TRISTATE_MASK (1 << PMUX_TRISTATE_SHIFT)
+#define PMUX_IO_SHIFT 5
+#define PMUX_OD_SHIFT 6
+#define PMUX_LOCK_SHIFT 7
+#define PMUX_IO_RESET_SHIFT 8
+
+/* Convenient macro for defining pin group properties */
+#define PIN(pg_name, vdd, f0, f1, f2, f3, iod) \
+ { \
+ .vddio = PMUX_VDDIO_ ## vdd, \
+ .funcs = { \
+ PMUX_FUNC_ ## f0, \
+ PMUX_FUNC_ ## f1, \
+ PMUX_FUNC_ ## f2, \
+ PMUX_FUNC_ ## f3, \
+ }, \
+ .func_safe = PMUX_FUNC_RSVD, \
+ .io = PMUX_PIN_ ## iod, \
+ }
+
+/* Input and output pins */
+#define PINI(pg_name, vdd, f0, f1, f2, f3) \
+ PIN(pg_name, vdd, f0, f1, f2, f3, INPUT)
+#define PINO(pg_name, vdd, f0, f1, f2, f3) \
+ PIN(pg_name, vdd, f0, f1, f2, f3, OUTPUT)
+
+const struct tegra_pingroup_desc tegra_soc_pingroups[PINGRP_COUNT] = {
+ /* NAME VDD f0 f1 f2 f3 fSafe io */
+ PINI(ULPI_DATA0, BB, SPI3, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA1, BB, SPI3, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA2, BB, SPI3, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA3, BB, SPI3, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA4, BB, SPI2, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA5, BB, SPI2, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA6, BB, SPI2, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA7, BB, SPI2, HSI, UARTA, ULPI),
+ PINI(ULPI_CLK, BB, SPI1, RSVD, UARTD, ULPI),
+ PINI(ULPI_DIR, BB, SPI1, RSVD, UARTD, ULPI),
+ PINI(ULPI_NXT, BB, SPI1, RSVD, UARTD, ULPI),
+ PINI(ULPI_STP, BB, SPI1, RSVD, UARTD, ULPI),
+ PINI(DAP3_FS, BB, I2S2, RSVD1, DISPA, DISPB),
+ PINI(DAP3_DIN, BB, I2S2, RSVD1, DISPA, DISPB),
+ PINI(DAP3_DOUT, BB, I2S2, RSVD1, DISPA, DISPB),
+ PINI(DAP3_SCLK, BB, I2S2, RSVD1, DISPA, DISPB),
+ PINI(GPIO_PV0, BB, RSVD, RSVD, RSVD, RSVD),
+ PINI(GPIO_PV1, BB, RSVD, RSVD, RSVD, RSVD),
+ PINI(SDMMC1_CLK, SDMMC1, SDMMC1, RSVD1, RSVD2, BAD),
+ PINI(SDMMC1_CMD, SDMMC1, SDMMC1, RSVD1, RSVD2, BAD),
+ PINI(SDMMC1_DAT3, SDMMC1, SDMMC1, RSVD1, UARTE, BAD),
+ PINI(SDMMC1_DAT2, SDMMC1, SDMMC1, RSVD1, UARTE, BAD),
+ PINI(SDMMC1_DAT1, SDMMC1, SDMMC1, RSVD1, UARTE, BAD),
+ PINI(SDMMC1_DAT0, SDMMC1, SDMMC1, RSVD1, UARTE, BAD),
+ PINI(GPIO_PV2, SDMMC1, OWR, RSVD1, RSVD2, RSVD3),
+ PINI(GPIO_PV3, SDMMC1, BAD, RSVD1, RSVD2, RSVD3),
+ PINI(CLK2_OUT, SDMMC1, EXTPERIPH2, RSVD1, RSVD2, RSVD3),
+ PINI(CLK2_REQ, SDMMC1, DAP, RSVD1, RSVD2, RSVD3),
+ PINO(LCD_PWR1, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_PWR2, LCD, DISPA, DISPB, SPI5, BAD),
+ PINO(LCD_SDIN, LCD, DISPA, DISPB, SPI5, RSVD),
+ PINO(LCD_SDOUT, LCD, DISPA, DISPB, SPI5, BAD),
+ PINO(LCD_WR_N, LCD, DISPA, DISPB, SPI5, BAD),
+ PINO(LCD_CS0_N, LCD, DISPA, DISPB, SPI5, RSVD),
+ PINO(LCD_DC0, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_SCK, LCD, DISPA, DISPB, SPI5, BAD),
+ PINO(LCD_PWR0, LCD, DISPA, DISPB, SPI5, BAD),
+ PINO(LCD_PCLK, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_DE, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_HSYNC, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_VSYNC, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D0, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D1, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D2, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D3, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D4, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D5, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D6, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D7, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D8, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D9, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D10, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D11, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D12, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D13, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D14, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D15, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D16, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D17, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D18, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D19, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D20, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D21, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D22, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_D23, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_CS1_N, LCD, DISPA, DISPB, SPI5, RSVD2),
+ PINO(LCD_M1, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINO(LCD_DC1, LCD, DISPA, DISPB, RSVD1, RSVD2),
+ PINI(HDMI_INT, LCD, RSVD, RSVD, RSVD, RSVD),
+ PINI(DDC_SCL, LCD, I2C4, RSVD1, RSVD2, RSVD3),
+ PINI(DDC_SDA, LCD, I2C4, RSVD1, RSVD2, RSVD3),
+ PINI(CRT_HSYNC, LCD, CRT, RSVD1, RSVD2, RSVD3),
+ PINI(CRT_VSYNC, LCD, CRT, RSVD1, RSVD2, RSVD3),
+ PINI(VI_D0, VI, BAD, RSVD1, VI, RSVD2),
+ PINI(VI_D1, VI, BAD, SDMMC2, VI, RSVD1),
+ PINI(VI_D2, VI, BAD, SDMMC2, VI, RSVD1),
+ PINI(VI_D3, VI, BAD, SDMMC2, VI, RSVD1),
+ PINI(VI_D4, VI, BAD, SDMMC2, VI, RSVD1),
+ PINI(VI_D5, VI, BAD, SDMMC2, VI, RSVD1),
+ PINI(VI_D6, VI, BAD, SDMMC2, VI, RSVD1),
+ PINI(VI_D7, VI, BAD, SDMMC2, VI, RSVD1),
+ PINI(VI_D8, VI, BAD, SDMMC2, VI, RSVD1),
+ PINI(VI_D9, VI, BAD, SDMMC2, VI, RSVD1),
+ PINI(VI_D10, VI, BAD, RSVD1, VI, RSVD2),
+ PINI(VI_D11, VI, BAD, RSVD1, VI, RSVD2),
+ PINI(VI_PCLK, VI, RSVD1, SDMMC2, VI, RSVD2),
+ PINI(VI_MCLK, VI, VI, BAD, BAD, BAD),
+ PINI(VI_VSYNC, VI, BAD, RSVD1, VI, RSVD2),
+ PINI(VI_HSYNC, VI, BAD, RSVD1, VI, RSVD2),
+ PINI(UART2_RXD, UART, IRDA, SPDIF, UARTA, SPI4),
+ PINI(UART2_TXD, UART, IRDA, SPDIF, UARTA, SPI4),
+ PINI(UART2_RTS_N, UART, UARTA, UARTB, GMI, SPI4),
+ PINI(UART2_CTS_N, UART, UARTA, UARTB, GMI, SPI4),
+ PINI(UART3_TXD, UART, UARTC, RSVD1, GMI, RSVD2),
+ PINI(UART3_RXD, UART, UARTC, RSVD1, GMI, RSVD2),
+ PINI(UART3_CTS_N, UART, UARTC, RSVD1, GMI, RSVD2),
+ PINI(UART3_RTS_N, UART, UARTC, PWM0, GMI, RSVD2),
+ PINI(GPIO_PU0, UART, OWR, UARTA, GMI, RSVD1),
+ PINI(GPIO_PU1, UART, RSVD1, UARTA, GMI, RSVD2),
+ PINI(GPIO_PU2, UART, RSVD1, UARTA, GMI, RSVD2),
+ PINI(GPIO_PU3, UART, PWM0, UARTA, GMI, RSVD1),
+ PINI(GPIO_PU4, UART, PWM1, UARTA, GMI, RSVD1),
+ PINI(GPIO_PU5, UART, PWM2, UARTA, GMI, RSVD1),
+ PINI(GPIO_PU6, UART, PWM3, UARTA, GMI, RSVD1),
+ PINI(GEN1_I2C_SDA, UART, I2C1, RSVD1, RSVD2, RSVD3),
+ PINI(GEN1_I2C_SCL, UART, I2C1, RSVD1, RSVD2, RSVD3),
+ PINI(DAP4_FS, UART, I2S3, RSVD1, GMI, RSVD2),
+ PINI(DAP4_DIN, UART, I2S3, RSVD1, GMI, RSVD2),
+ PINI(DAP4_DOUT, UART, I2S3, RSVD1, GMI, RSVD2),
+ PINI(DAP4_SCLK, UART, I2S3, RSVD1, GMI, RSVD2),
+ PINI(CLK3_OUT, UART, EXTPERIPH3, RSVD1, RSVD2, RSVD3),
+ PINI(CLK3_REQ, UART, DEV3, RSVD1, RSVD2, RSVD3),
+ PINI(GMI_WP_N, GMI, RSVD1, NAND, GMI, GMI_ALT),
+ PINI(GMI_IORDY, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_WAIT, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_ADV_N, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_CLK, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_CS0_N, GMI, RSVD1, NAND, GMI, BAD),
+ PINI(GMI_CS1_N, GMI, RSVD1, NAND, GMI, DTV),
+ PINI(GMI_CS2_N, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_CS3_N, GMI, RSVD1, NAND, GMI, GMI_ALT),
+ PINI(GMI_CS4_N, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_CS6_N, GMI, NAND, NAND_ALT, GMI, SATA),
+ PINI(GMI_CS7_N, GMI, NAND, NAND_ALT, GMI, GMI_ALT),
+ PINI(GMI_AD0, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_AD1, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_AD2, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_AD3, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_AD4, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_AD5, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_AD6, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_AD7, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_AD8, GMI, PWM0, NAND, GMI, RSVD2),
+ PINI(GMI_AD9, GMI, PWM1, NAND, GMI, RSVD2),
+ PINI(GMI_AD10, GMI, PWM2, NAND, GMI, RSVD2),
+ PINI(GMI_AD11, GMI, PWM3, NAND, GMI, RSVD2),
+ PINI(GMI_AD12, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_AD13, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_AD14, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_AD15, GMI, RSVD1, NAND, GMI, RSVD2),
+ PINI(GMI_A16, GMI, UARTD, SPI4, GMI, GMI_ALT),
+ PINI(GMI_A17, GMI, UARTD, SPI4, GMI, BAD),
+ PINI(GMI_A18, GMI, UARTD, SPI4, GMI, BAD),
+ PINI(GMI_A19, GMI, UARTD, SPI4, GMI, RSVD3),
+ PINI(GMI_WR_N, GMI, RSVD1, NAND, GMI, RSVD3),
+ PINI(GMI_OE_N, GMI, RSVD1, NAND, GMI, RSVD3),
+ PINI(GMI_DQS, GMI, RSVD1, NAND, GMI, RSVD3),
+ PINI(GMI_RST_N, GMI, NAND, NAND_ALT, GMI, RSVD3),
+ PINI(GEN2_I2C_SCL, GMI, I2C2, BAD, GMI, RSVD3),
+ PINI(GEN2_I2C_SDA, GMI, I2C2, BAD, GMI, RSVD3),
+ PINI(SDMMC4_CLK, SDMMC4, BAD, NAND, GMI, SDMMC4),
+ PINI(SDMMC4_CMD, SDMMC4, I2C3, NAND, GMI, SDMMC4),
+ PINI(SDMMC4_DAT0, SDMMC4, UARTE, SPI3, GMI, SDMMC4),
+ PINI(SDMMC4_DAT1, SDMMC4, UARTE, SPI3, GMI, SDMMC4),
+ PINI(SDMMC4_DAT2, SDMMC4, UARTE, SPI3, GMI, SDMMC4),
+ PINI(SDMMC4_DAT3, SDMMC4, UARTE, SPI3, GMI, SDMMC4),
+ PINI(SDMMC4_DAT4, SDMMC4, I2C3, I2S4, GMI, SDMMC4),
+ PINI(SDMMC4_DAT5, SDMMC4, VGP3, I2S4, GMI, SDMMC4),
+ PINI(SDMMC4_DAT6, SDMMC4, VGP4, I2S4, GMI, SDMMC4),
+ PINI(SDMMC4_DAT7, SDMMC4, VGP5, I2S4, GMI, SDMMC4),
+ PINI(SDMMC4_RST_N, SDMMC4, VGP6, RSVD1, RSVD2, POPSDMMC4),
+ PINI(CAM_MCLK, CAM, VI, BAD, VI_ALT2, POPSDMMC4),
+ PINI(GPIO_PCC1, CAM, I2S4, RSVD1, RSVD2, POPSDMMC4),
+ PINI(GPIO_PBB0, CAM, I2S4, RSVD1, RSVD2, POPSDMMC4),
+ PINI(CAM_I2C_SCL, CAM, BAD, I2C3, RSVD2, POPSDMMC4),
+ PINI(CAM_I2C_SDA, CAM, BAD, I2C3, RSVD2, POPSDMMC4),
+ PINI(GPIO_PBB3, CAM, VGP3, DISPA, DISPB, POPSDMMC4),
+ PINI(GPIO_PBB4, CAM, VGP4, DISPA, DISPB, POPSDMMC4),
+ PINI(GPIO_PBB5, CAM, VGP5, DISPA, DISPB, POPSDMMC4),
+ PINI(GPIO_PBB6, CAM, VGP6, DISPA, DISPB, POPSDMMC4),
+ PINI(GPIO_PBB7, CAM, I2S4, RSVD1, RSVD2, POPSDMMC4),
+ PINI(GPIO_PCC2, CAM, I2S4, RSVD1, RSVD2, RSVD3),
+ PINI(JTAG_RTCK, SYS, RTCK, RSVD1, RSVD2, RSVD3),
+ PINI(PWR_I2C_SCL, SYS, I2CPWR, RSVD1, RSVD2, RSVD3),
+ PINI(PWR_I2C_SDA, SYS, I2CPWR, RSVD1, RSVD2, RSVD3),
+ PINI(KB_ROW0, SYS, KBC, BAD, RSVD2, RSVD3),
+ PINI(KB_ROW1, SYS, KBC, BAD, RSVD2, RSVD3),
+ PINI(KB_ROW2, SYS, KBC, BAD, RSVD2, RSVD3),
+ PINI(KB_ROW3, SYS, KBC, BAD, RSVD2, BAD),
+ PINI(KB_ROW4, SYS, KBC, BAD, TRACE, RSVD3),
+ PINI(KB_ROW5, SYS, KBC, BAD, TRACE, OWR),
+ PINI(KB_ROW6, SYS, KBC, BAD, SDMMC2, BAD),
+ PINI(KB_ROW7, SYS, KBC, BAD, SDMMC2, BAD),
+ PINI(KB_ROW8, SYS, KBC, BAD, SDMMC2, BAD),
+ PINI(KB_ROW9, SYS, KBC, BAD, SDMMC2, BAD),
+ PINI(KB_ROW10, SYS, KBC, BAD, SDMMC2, BAD),
+ PINI(KB_ROW11, SYS, KBC, BAD, SDMMC2, BAD),
+ PINI(KB_ROW12, SYS, KBC, BAD, SDMMC2, BAD),
+ PINI(KB_ROW13, SYS, KBC, BAD, SDMMC2, BAD),
+ PINI(KB_ROW14, SYS, KBC, BAD, SDMMC2, BAD),
+ PINI(KB_ROW15, SYS, KBC, BAD, SDMMC2, BAD),
+ PINI(KB_COL0, SYS, KBC, BAD, TRACE, BAD),
+ PINI(KB_COL1, SYS, KBC, BAD, TRACE, BAD),
+ PINI(KB_COL2, SYS, KBC, BAD, TRACE, RSVD),
+ PINI(KB_COL3, SYS, KBC, BAD, TRACE, RSVD),
+ PINI(KB_COL4, SYS, KBC, BAD, TRACE, RSVD),
+ PINI(KB_COL5, SYS, KBC, BAD, TRACE, RSVD),
+ PINI(KB_COL6, SYS, KBC, BAD, TRACE, BAD),
+ PINI(KB_COL7, SYS, KBC, BAD, TRACE, BAD),
+ PINI(CLK_32K_OUT, SYS, BLINK, RSVD1, RSVD2, RSVD3),
+ PINI(SYS_CLK_REQ, SYS, SYSCLK, RSVD1, RSVD2, RSVD3),
+ PINI(CORE_PWR_REQ, SYS, RSVD, RSVD, RSVD, RSVD),
+ PINI(CPU_PWR_REQ, SYS, RSVD, RSVD, RSVD, RSVD),
+ PINI(PWR_INT_N, SYS, RSVD, RSVD, RSVD, RSVD),
+ PINI(CLK_32K_IN, SYS, RSVD, RSVD, RSVD, RSVD),
+ PINI(OWR, SYS, OWR, RSVD, RSVD, RSVD),
+ PINI(DAP1_FS, AUDIO, I2S0, HDA, GMI, SDMMC2),
+ PINI(DAP1_DIN, AUDIO, I2S0, HDA, GMI, SDMMC2),
+ PINI(DAP1_DOUT, AUDIO, I2S0, HDA, GMI, SDMMC2),
+ PINI(DAP1_SCLK, AUDIO, I2S0, HDA, GMI, SDMMC2),
+ PINI(CLK1_REQ, AUDIO, DAP, HDA, RSVD2, RSVD3),
+ PINI(CLK1_OUT, AUDIO, EXTPERIPH1, RSVD1, RSVD2, RSVD3),
+ PINI(SPDIF_IN, AUDIO, SPDIF, HDA, BAD, DAPSDMMC2),
+ PINI(SPDIF_OUT, AUDIO, SPDIF, RSVD1, BAD, DAPSDMMC2),
+ PINI(DAP2_FS, AUDIO, I2S1, HDA, RSVD2, GMI),
+ PINI(DAP2_DIN, AUDIO, I2S1, HDA, RSVD2, GMI),
+ PINI(DAP2_DOUT, AUDIO, I2S1, HDA, RSVD2, GMI),
+ PINI(DAP2_SCLK, AUDIO, I2S1, HDA, RSVD2, GMI),
+ PINI(SPI2_MOSI, AUDIO, SPI6, SPI2, BAD, GMI),
+ PINI(SPI2_MISO, AUDIO, SPI6, SPI2, BAD, GMI),
+ PINI(SPI2_CS0_N, AUDIO, SPI6, SPI2, BAD, GMI),
+ PINI(SPI2_SCK, AUDIO, SPI6, SPI2, BAD, GMI),
+ PINI(SPI1_MOSI, AUDIO, SPI2, SPI1, BAD, GMI),
+ PINI(SPI1_SCK, AUDIO, SPI2, SPI1, BAD, GMI),
+ PINI(SPI1_CS0_N, AUDIO, SPI2, SPI1, BAD, GMI),
+ PINI(SPI1_MISO, AUDIO, BAD, SPI1, BAD, RSVD3),
+ PINI(SPI2_CS1_N, AUDIO, BAD, SPI2, BAD, BAD),
+ PINI(SPI2_CS2_N, AUDIO, BAD, SPI2, BAD, BAD),
+ PINI(SDMMC3_CLK, SDMMC3, UARTA, PWM2, SDMMC3, BAD),
+ PINI(SDMMC3_CMD, SDMMC3, UARTA, PWM3, SDMMC3, BAD),
+ PINI(SDMMC3_DAT0, SDMMC3, RSVD0, RSVD1, SDMMC3, BAD),
+ PINI(SDMMC3_DAT1, SDMMC3, RSVD0, RSVD1, SDMMC3, BAD),
+ PINI(SDMMC3_DAT2, SDMMC3, RSVD0, PWM1, SDMMC3, BAD),
+ PINI(SDMMC3_DAT3, SDMMC3, RSVD0, PWM0, SDMMC3, BAD),
+ PINI(SDMMC3_DAT4, SDMMC3, PWM1, BAD, SDMMC3, BAD),
+ PINI(SDMMC3_DAT5, SDMMC3, PWM0, BAD, SDMMC3, BAD),
+ PINI(SDMMC3_DAT6, SDMMC3, SPDIF, BAD, SDMMC3, BAD),
+ PINI(SDMMC3_DAT7, SDMMC3, SPDIF, BAD, SDMMC3, BAD),
+ PINI(PEX_L0_PRSNT_N, PEXCTL, PCIE, HDA, RSVD2, RSVD3),
+ PINI(PEX_L0_RST_N, PEXCTL, PCIE, HDA, RSVD2, RSVD3),
+ PINI(PEX_L0_CLKREQ_N, PEXCTL, PCIE, HDA, RSVD2, RSVD3),
+ PINI(PEX_WAKE_N, PEXCTL, PCIE, HDA, RSVD2, RSVD3),
+ PINI(PEX_L1_PRSNT_N, PEXCTL, PCIE, HDA, RSVD2, RSVD3),
+ PINI(PEX_L1_RST_N, PEXCTL, PCIE, HDA, RSVD2, RSVD3),
+ PINI(PEX_L1_CLKREQ_N, PEXCTL, PCIE, HDA, RSVD2, RSVD3),
+ PINI(PEX_L2_PRSNT_N, PEXCTL, PCIE, HDA, RSVD2, RSVD3),
+ PINI(PEX_L2_RST_N, PEXCTL, PCIE, HDA, RSVD2, RSVD3),
+ PINI(PEX_L2_CLKREQ_N, PEXCTL, PCIE, HDA, RSVD2, RSVD3),
+ PINI(HDMI_CEC, SYS, CEC, RSVD1, RSVD2, RSVD3),
+};
+
+void pinmux_set_tristate(enum pmux_pingrp pin, int enable)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *tri = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin */
+ assert(pmux_pingrp_isvalid(pin));
+
+ reg = readl(tri);
+ if (enable)
+ reg |= PMUX_TRISTATE_MASK;
+ else
+ reg &= ~PMUX_TRISTATE_MASK;
+ writel(reg, tri);
+}
+
+void pinmux_tristate_enable(enum pmux_pingrp pin)
+{
+ pinmux_set_tristate(pin, 1);
+}
+
+void pinmux_tristate_disable(enum pmux_pingrp pin)
+{
+ pinmux_set_tristate(pin, 0);
+}
+
+void pinmux_set_pullupdown(enum pmux_pingrp pin, enum pmux_pull pupd)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pull = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and pupd */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_pupd_isvalid(pupd));
+
+ reg = readl(pull);
+ reg &= ~(0x3 << PMUX_PULL_SHIFT);
+ reg |= (pupd << PMUX_PULL_SHIFT);
+ writel(reg, pull);
+}
+
+void pinmux_set_func(enum pmux_pingrp pin, enum pmux_func func)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *muxctl = &pmt->pmt_ctl[pin];
+ int i, mux = -1;
+ u32 reg;
+
+ /* Error check on pin and func */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_func_isvalid(func));
+
+ /* Handle special values */
+ if (func == PMUX_FUNC_SAFE)
+ func = tegra_soc_pingroups[pin].func_safe;
+
+ if (func & PMUX_FUNC_RSVD) {
+ mux = func & 0x3;
+ } else {
+ /* Search for the appropriate function */
+ for (i = 0; i < 4; i++) {
+ if (tegra_soc_pingroups[pin].funcs[i] == func) {
+ mux = i;
+ break;
+ }
+ }
+ }
+ assert(mux != -1);
+
+ reg = readl(muxctl);
+ reg &= ~(0x3 << PMUX_MUXCTL_SHIFT);
+ reg |= (mux << PMUX_MUXCTL_SHIFT);
+ writel(reg, muxctl);
+
+}
+
+void pinmux_set_io(enum pmux_pingrp pin, enum pmux_pin_io io)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pin_io = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and io */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_io_isvalid(io));
+
+ reg = readl(pin_io);
+ reg &= ~(0x1 << PMUX_IO_SHIFT);
+ reg |= (io & 0x1) << PMUX_IO_SHIFT;
+ writel(reg, pin_io);
+}
+
+static int pinmux_set_lock(enum pmux_pingrp pin, enum pmux_pin_lock lock)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pin_lock = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and lock */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_lock_isvalid(lock));
+
+ if (lock == PMUX_PIN_LOCK_DEFAULT)
+ return 0;
+
+ reg = readl(pin_lock);
+ reg &= ~(0x1 << PMUX_LOCK_SHIFT);
+ if (lock == PMUX_PIN_LOCK_ENABLE)
+ reg |= (0x1 << PMUX_LOCK_SHIFT);
+ writel(reg, pin_lock);
+
+ return 0;
+}
+
+static int pinmux_set_od(enum pmux_pingrp pin, enum pmux_pin_od od)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pin_od = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and od */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_od_isvalid(od));
+
+ if (od == PMUX_PIN_OD_DEFAULT)
+ return 0;
+
+ reg = readl(pin_od);
+ reg &= ~(0x1 << PMUX_OD_SHIFT);
+ if (od == PMUX_PIN_OD_ENABLE)
+ reg |= (0x1 << PMUX_OD_SHIFT);
+ writel(reg, pin_od);
+
+ return 0;
+}
+
+static int pinmux_set_ioreset(enum pmux_pingrp pin,
+ enum pmux_pin_ioreset ioreset)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pin_ioreset = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and ioreset */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_ioreset_isvalid(ioreset));
+
+ if (ioreset == PMUX_PIN_IO_RESET_DEFAULT)
+ return 0;
+
+ reg = readl(pin_ioreset);
+ reg &= ~(0x1 << PMUX_IO_RESET_SHIFT);
+ if (ioreset == PMUX_PIN_IO_RESET_ENABLE)
+ reg |= (0x1 << PMUX_IO_RESET_SHIFT);
+ writel(reg, pin_ioreset);
+
+ return 0;
+}
+
+void pinmux_config_pingroup(struct pingroup_config *config)
+{
+ enum pmux_pingrp pin = config->pingroup;
+
+ pinmux_set_func(pin, config->func);
+ pinmux_set_pullupdown(pin, config->pull);
+ pinmux_set_tristate(pin, config->tristate);
+ pinmux_set_io(pin, config->io);
+ pinmux_set_lock(pin, config->lock);
+ pinmux_set_od(pin, config->od);
+ pinmux_set_ioreset(pin, config->ioreset);
+}
+
+void pinmux_config_table(struct pingroup_config *config, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ pinmux_config_pingroup(&config[i]);
+}
diff --git a/arch/arm/cpu/tegra30-common/sys_info.c b/arch/arm/cpu/tegra30-common/sys_info.c
new file mode 100644
index 0000000..eb638da
--- /dev/null
+++ b/arch/arm/cpu/tegra30-common/sys_info.c
@@ -0,0 +1,35 @@
+/*
+ * (C) Copyright 2010-2012
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_DISPLAY_CPUINFO
+/* Print CPU information */
+int print_cpuinfo(void)
+{
+ puts("TEGRA30\n");
+
+ /* TBD: Add printf of major/minor rev info, stepping, etc. */
+ return 0;
+}
+#endif /* CONFIG_DISPLAY_CPUINFO */
diff --git a/arch/arm/cpu/tegra30-common/timer.c b/arch/arm/cpu/tegra30-common/timer.c
new file mode 100644
index 0000000..c532580
--- /dev/null
+++ b/arch/arm/cpu/tegra30-common/timer.c
@@ -0,0 +1,111 @@
+/*
+ * (C) Copyright 2010-2012
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * (C) Copyright 2008
+ * Texas Instruments
+ *
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Moahmmed Khasim <khasim@ti.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/tegra30.h>
+#include <asm/arch/timer.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* counter runs at 1MHz */
+#define TIMER_CLK 1000000
+#define TIMER_LOAD_VAL 0xffffffff
+
+/* timer without interrupts */
+ulong get_timer(ulong base)
+{
+ return get_timer_masked() - base;
+}
+
+/* delay x useconds */
+void __udelay(unsigned long usec)
+{
+ long tmo = usec * (TIMER_CLK / 1000) / 1000;
+ unsigned long now, last = timer_get_us();
+
+ while (tmo > 0) {
+ now = timer_get_us();
+ if (last > now) /* count up timer overflow */
+ tmo -= TIMER_LOAD_VAL - last + now;
+ else
+ tmo -= now - last;
+ last = now;
+ }
+}
+
+ulong get_timer_masked(void)
+{
+ ulong now;
+
+ /* current tick value */
+ now = timer_get_us() / (TIMER_CLK / CONFIG_SYS_HZ);
+
+ if (now >= gd->lastinc) /* normal mode (non roll) */
+ /* move stamp forward with absolute diff ticks */
+ gd->tbl += (now - gd->lastinc);
+ else /* we have rollover of incrementer */
+ gd->tbl += ((TIMER_LOAD_VAL / (TIMER_CLK / CONFIG_SYS_HZ))
+ - gd->lastinc) + now;
+ gd->lastinc = now;
+ return gd->tbl;
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+ return get_timer(0);
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+ return CONFIG_SYS_HZ;
+}
+
+unsigned long timer_get_us(void)
+{
+ struct timerus *timer_base = (struct timerus *)NV_PA_TMRUS_BASE;
+
+ return readl(&timer_base->cntr_1us);
+}
--
1.7.0.4